Question

Boojho wants to know how male gamete in the Pollen Grain reaches female gamete present in the ovule????​

Answer 1

Answer:

Using Pollen Tube.

Explanation:

When poorn grain lands on stigma of flower. By chemical (*chemotropism) it grows a tube towards ovary that is known as pollen tube and this tube carry two male gamete toward ovary.

* Chemo tropism - Growth in the direction of chemical

Answer 2

Answer:

The male gamete in the pollen grain reaches the female gamete present in the ovule by the process of pollination.

The pollination is done by different external agents such as insects, air, water, birds, animals, human beings etc.